out of thin air

از ناکجا آباد
بطور نامعلوم/نامشخص

suddenly
out of the air

یکهویی ، یکدفعه

into thin air ( i. e. she just vanished into thin air. ) در هیچ/ناکجا
out of thin air ( i. e. She seemed to appear out of thin air. ) از هیچ/ناکجا